Aluminium Sulphate | Soil Acidifier for Acid-Loving Plants | 500g
- Turns Hydrangeas Blue: Supplies the aluminium pink and mauve hydrangeas need for vivid blue flowers
- Fast-Acting Soil Acidifier: Lowers soil pH far quicker than sulphur, ideal for acid-loving plants
- Fully Water Soluble: Dissolves quickly for easy soil drench application
- Phosphorus Free, No Fillers: Nothing to lock up aluminium, just high purity aluminium sulphate
